精选优质文档-倾情为你奉上Unit 4动词的ing形式作表语，定语，宾补和状语一、动词-ing形式作表语1. 表示主语的内容 ,可以转换到句首作主语Her job is keeping the lecture hall as clean as possible. = keeping the lecture hall as clean as possible is her jobHis hobby is painting. = Painting is his job.2. 表示主语具有的特征、性质和状态(动词ing 相当一个形容词），作表语用的现在分词，许多是由能够表示人们某种感情或情绪的动词变化而来的。常见的有：astonishing, amusing, confusing, disappointing, boring, encouraging, inspiring, moving, tiring, interesting, surprising, puzzling, exciting等（这类分词表示“令人.的”含义）。如：The
